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3D打印补丁有望修复心脏病患者的心脏
添加时间:2017-04-26 12:16:25 浏览次数: 作者:未知
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  • A team of biomedical engineering researchers led by the University of Minnesota have developed a new 3D-bioprinted patch that shows potential in helping1 heal scarred heart tissue after a heart attack.

    由明尼苏达大学领导的生物医学工程研究团队研发出一种新型3D生物打印补丁,可能有助于治愈在心脏病发作后受损的心脏组织。

    Recent advances allowed researchers to use laser-based 3D-bioprinting techniques to incorporate stem cells derived2 from adult human heart cells on a matrix that began to grow and beat synchronously3 in a dish in the lab.

    近来的科技进步使研究人员可以利用基于激光的3D生物打印技术将来自成人心脏细胞的干细胞掺入到基质中,之后基质开始在实验室培养皿中同步生长和跳动。

    The muscle-like patch was then placed on a mouse heart following a simulated heart attack.

    然后把这个像肌肉一样的补丁放置在模拟心脏病发作后的小鼠心脏上。

    Just four weeks later, researchers saw a significant increase in cardiac functional4 capacity.

    仅4周后,研究人员就发现其心功能容量显著增加。

    Since the patch was made from cells and structural5 proteins native to the heart, it became part of the heart and absorbed into the body, requiring no further surgeries.

    由于补丁是心脏细胞和结构蛋白质制成的,它成了心脏的一部分并被吸收到身体中,无需再做手术。

    Next, researchers will test a larger patch on a pig, which is similar in size of a human heart. Researchers hope within a decade, the patch could reach clinical trials and be used in patients.

    接下来,研究人员将会在一只猪的身上(其心脏与人类心脏尺寸相似)测试一个更大的补丁。他们希望这种补丁能在10年内进行临床试验并用在患者身上。

     10级    英文科普 
     单词标签: helping  derived  synchronously  functional  structural 


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    1 helping [ˈhelpɪŋ] 2rGzDc   第7级
    n.食物的一份&adj.帮助人的,辅助的
    参考例句:
    • The poor children regularly pony up for a second helping of my hamburger. 那些可怜的孩子们总是要求我把我的汉堡包再给他们一份。
    • By doing this, they may at times be helping to restore competition. 这样一来,他们在某些时候,有助于竞争的加强。
    2 derived [dɪ'raɪvd] 6cddb7353e699051a384686b6b3ff1e2   第7级
    vi.起源;由来;衍生;导出v.得到( derive的过去式和过去分词 );(从…中)得到获得;源于;(从…中)提取
    参考例句:
    • Many English words are derived from Latin and Greek. 英语很多词源出于拉丁文和希腊文。 来自《简明英汉词典》
    • He derived his enthusiasm for literature from his father. 他对文学的爱好是受他父亲的影响。 来自《简明英汉词典》
    3 synchronously ['siŋkrənəsli] PgGzwA   第11级
    ad.同时地
    参考例句:
    • Both numbers may slide synchronously in opposite directions. 两数可以同步地向相反方向移位。
    • The strong suction motor can synchronously pump the water. 双刷盘设计,清洗效果更强,强劲吸水电机同步抽走污水。
    4 functional [ˈfʌŋkʃənl] 5hMxa   第8级
    adj.为实用而设计的,具备功能的,起作用的
    参考例句:
    • The telephone was out of order, but is functional now. 电话刚才坏了,但现在可以用了。
    • The furniture is not fancy, just functional. 这些家具不是摆着好看的,只是为了实用。
    5 structural [ˈstrʌktʃərəl] itXw5   第8级
    adj.构造的,组织的,建筑(用)的
    参考例句:
    • The storm caused no structural damage. 风暴没有造成建筑结构方面的破坏。
    • The North American continent is made up of three great structural entities. 北美大陆是由三个构造单元组成的。

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